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Potato Soup

A creamy potato soup with milk, butter, flour, and seasonings, served with crackers or croutons.

From an old cookbook · modernised transcription
From a historical cookbook (Internet Archive) · 10 ingredients
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Potato Soup

Why it works: Celery and parsley match in chemistry and in kitchens. They rank in the top 1% of all ingredient pairs, and cooks put them together in 6,810 recipes. Both carry 4'-methylacetophenone, which smells bitter almond. The science ↓

Potato Soup

Ingredients

Directions

Make the soup

  1. Boil and mash the potatoes.

  2. In a double boiler, cook the milk and onion.

  3. Add the milk mixture to the potatoes and strain through a sieve.

  4. Return the mixture to the boiler, add salt and pepper.

  5. Make a sauce with butter, flour, and celery salt; add to the soup.

  6. Cook for 5 minutes, then stir in the chopped parsley.

Serve

  1. Serve with crackers or croutons.

Recipe from a historical cookbook (Internet Archive).

Transcribed from a scanned cookbook and modernised for today's kitchens. Where the book gave no heat or time, or said "a moderate oven", the temperatures and times here may be modern equivalents rather than the book's own figures.

Photo for illustrative purposes only · Contact us to use it

Explore the science

The flavor team

The pairs that carry this dish. Each one is judged two ways: how much their aromas overlap, and how often cooks already put them together.

  1. Celery + parsleytop 1% of all pairs
    Smell alikestrong
    Cooked together6,810 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  2. Pepper + parsleytop 2% of all pairs
    Smell alikestrong
    Cooked together34,122 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  3. Potato + oniontop 3% of all pairs
    Smell alikemoderate
    Cooked together9,023 recipes

    Shared aroma: 2-isopropyl-3-methoxypyrazine (earthy, pea).

  4. Potato + parsleytop 5% of all pairs
    Smell alikemoderate
    Cooked together2,855 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

  5. Pepper + celerytop 5% of all pairs
    Smell alikestrong
    Cooked together16,012 recipes

    Shared aroma: 4'-methylacetophenone (bitter almond).

Ranks compare each pair with 20,000 random ingredient pairs on CompKitchen. How we score pairs

What each ingredient does

Potatoes
Form the body of the soup and thicken it as they break down.
Milk
Provides the liquid base and creamy texture of the soup.
Butter
Enriches the soup and, with flour, forms the thickening sauce.
Flour
Thickens the butter sauce so the soup becomes smoother and more body.

The step that matters

Adding the milk mixture to the potatoes. Milk heated gently in a double boiler avoids scorching and curdling, and straining through a sieve gives a smooth texture.

Swap the onion

How well each one fits the dish's main ingredients (potato, milk, pepper, butter, flour, celery, parsley):

  1. Carrotfits better
  2. Chivefits better
  3. Parsnipfits better
  4. Onionthe original

Fit is the average pairing score against potato, milk, pepper, butter, flour, celery, parsley. Candidates are from the same food group and used in at least 100 recipes.

“What each ingredient does” and “The step that matters” were written by Claude from this recipe’s own method and reviewed in samples by CompKitchen.

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